1<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>v4l2_flash_init</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux Device Drivers"><link rel="up" href="mediadev.html#id-1.8.2" title="Video2Linux devices"><link rel="prev" href="API-struct-v4l2-flash.html" title="struct v4l2_flash"><link rel="next" href="API-v4l2-flash-release.html" title="v4l2_flash_release"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">v4l2_flash_init</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-struct-v4l2-flash.html">Prev</a> </td><th width="60%" align="center">Video2Linux devices</th><td width="20%" align="right"> <a accesskey="n" href="API-v4l2-flash-release.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-v4l2-flash-init"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>v4l2_flash_init — 
2     initialize V4L2 flash led sub-device
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef"><a class="link" href="API-struct-v4l2-flash.html" title="struct v4l2_flash">struct v4l2_flash</a> * <b class="fsfunc">v4l2_flash_init </b>(</code></td><td><a class="link" href="API-struct-device.html" title="struct device">struct device</a> * <var class="pdparam">dev</var>, </td></tr><tr><td> </td><td>struct device_node * <var class="pdparam">of_node</var>, </td></tr><tr><td> </td><td>struct led_classdev_flash * <var class="pdparam">fled_cdev</var>, </td></tr><tr><td> </td><td>struct led_classdev_flash * <var class="pdparam">iled_cdev</var>, </td></tr><tr><td> </td><td>const struct v4l2_flash_ops * <var class="pdparam">ops</var>, </td></tr><tr><td> </td><td><a class="link" href="API-struct-v4l2-flash-config.html" title="struct v4l2_flash_config">struct v4l2_flash_config</a> * <var class="pdparam">config</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a name="id-1.8.2.62.5"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>dev</code></em></span></dt><dd><p>
4     flash device, e.g. an I2C device
5    </p></dd><dt><span class="term"><em class="parameter"><code>of_node</code></em></span></dt><dd><p>
6     of_node of the LED, may be NULL if the same as device's
7    </p></dd><dt><span class="term"><em class="parameter"><code>fled_cdev</code></em></span></dt><dd><p>
8     LED flash class device to wrap
9    </p></dd><dt><span class="term"><em class="parameter"><code>iled_cdev</code></em></span></dt><dd><p>
10     LED flash class device representing indicator LED associated
11     with fled_cdev, may be NULL
12    </p></dd><dt><span class="term"><em class="parameter"><code>ops</code></em></span></dt><dd><p>
13     V4L2 Flash device ops
14    </p></dd><dt><span class="term"><em class="parameter"><code>config</code></em></span></dt><dd><p>
15     initialization data for V4L2 Flash sub-device
16    </p></dd></dl></div></div><div class="refsect1"><a name="id-1.8.2.62.6"></a><h2>Description</h2><p>
17   Create V4L2 Flash sub-device wrapping given LED subsystem device.
18</p></div><div class="refsect1"><a name="id-1.8.2.62.7"></a><h2>Returns</h2><p>
19   A valid pointer, or, when an error occurs, the return
20   value is encoded using <code class="function">ERR_PTR</code>. Use <code class="function">IS_ERR</code> to check and
21   <code class="function">PTR_ERR</code> to obtain the numeric return value.
22</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-struct-v4l2-flash.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="mediadev.html#id-1.8.2">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-v4l2-flash-release.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">struct v4l2_flash</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span class="phrase">v4l2_flash_release</span></td></tr></table></div></body></html>
23